* Gigabit Ethernet that supports data transfer speeds of up to '''1000 Mbps'''
* '''PoE Supported''' – Power over Ethernet for simplified installation
* <span class="tb_red">Supports booting from 16GB Micro-SD, (Requires CM4 without eMMC)</span>* <span class="tb_red">Supports booting from CM4 with eMMC 16GB / 32GB (Do not support 8GB eMMC)</span>
* Supports '''ATX control''' for powering the machine on/off and resetting it
* Supports powering via USB-C
* 5Vdc +/-5% 3A via USB-C (Power Via USB Type-C '''PWR''' port of X651 V1.0)
* 5Vdc +/-5% via POE power (IEEE 802.3af) (Recommend, but it's expensive because you need a poe switch, '''<span style="color:red;">the poe switch must support 802.3af.</span>''')
[[File:X651-IMG-4936-How-to-PowerHow_to_Power.jpg|800px]]
==How to Cool==